Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o maior número de voltas com um resultado de 30?
 ###Tabelas: CREATE TABLE grey_district (grey_district_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Years VARCHAR, Area VARCHAR, Authority VARCHAR, Decile VARCHAR, Roll VARCHAR) CREATE TABLE shipyards_in_the_program (shipyards_in_the_program_id AUTO_INCREMENT PRIMARY KEY, Yard Name VARCHAR, Location (City, State) VARCHAR, 1st Ship Delivery Date VARCHAR, Ship Types Delivered VARCHAR, Total Number of Ways VARCHAR, Total Vessels Built for USMC VARCHAR) CREATE TABLE indy_500_results (indy_500_results_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Start VARCHAR, Qual VARCHAR, Rank VARCHAR, Finish VARCHAR, Laps INT) CREATE TABLE season_3:_2004 (season_3:_2004_id AUTO_INCREMENT PRIMARY KEY, No. in Series INT, No. in Season INT, Title VARCHAR, Directed by VARCHAR, Written by VARCHAR, U.S. viewers (millions) VARCHAR, Original air date VARCHAR) CREATE TABLE top_50_quarterbacks_in_nfl_history (top_50_quarterbacks_in_nfl_history_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Quarterback VARCHAR, Seasons VARCHAR, Teams VARCHAR, Team Wins INT, Team Losses INT, Career Wins INT, Career Losses INT, Ties INT)  
SELECT MAX Laps FROM indy_500_results WHERE Finish = 30